Important announcements regarding changes to test methodologies, reference ranges, CPT coding, new available assays or discontinued assays are reported to our clients weekly via MLabs Test Updates.  The following Test Update files, which contain information that is current when produced, may be printed for client use. However, information contained is subject to change over time. For more information or questions, please contact Customer Service at 800-862-7284.

TitlePosted DateEffective DateTest NameCPT CodeUpdate Type
Test Update 904Methylmalonic Acid, Serum83921 Test Resumed
Test Update 904Staph aureus and MRSA Screen by PCR 87641, 87640 New Tests
Test Update 904Methicillin Resistant Staph aureus (MRSA) Screen by PCR MRSAP New Tests
Test Update 904Herpes Simplex virus/Coronavirus Testing Miscellaneous
Test Update 904COVID-19 Related Testing Miscellaneous
Test Update 904DiGeorge Panel: Reflex to all tiers81402 Miscellaneous
Test Update 904von Willebrand Disease Panel85240, 85397, 85246, 85730 Miscellaneous
Test Update 903Myositis Associated Antibodies (MAA) MyoMarker Panel 383516 x9, 86235 x7 Test Down or Delayed
Test Update 903Myositis Associated Antibodies (MAA) MyoMarker Panel 3 Plus83516 x10, 86235 x7 Test Down or Delayed
Test Update 902Varicella zoster Virus Antibody, IgG, CSF86787 Reference range changed
Test Update 902Alpha Globin Cluster Locus Deletion/Duplication81269 Test Methodology Changed
Test Update 902CYP21A2 Gene, Full Gene Analysis81405, 81402 Test Methodology Changed
Test Update 902Borrelia (Lyme Disease) Antibody by Modified Two-Tier Testing & Serum 86618, 86617 x2 New Tests
Test Update 902Oxalate, Plasma83945 Test Down or Delayed
Test Update 901MOLECULAR DIAGNOSTICS TEST REQUISITION UPDATE Important Notification
Test Update 901Varicella zoster Virus Antibody, IgG86787 Test Code Change
Test Update 901Creatinine, Serum82565 Miscellaneous
Test Update 901Cytogenetics, Chromosomal Microarray Analysis, FFPE tissue81277 Test Code Change
Test Update 901Neurofilament Light Chain, Plasma83884 Test Code Change
Test Update 901Erythrocytosis EvaluationCPT 83020 x2, 83021, 83789 Specimen collection or handling and/or storage changed
Test Update 900Dilute Russell's Viper Venom Test85613 Reference range changed
Test Update 900Varicella zoster Virus Antibody, IgG86787 Test Methodology Changed
Test Update 900Coagulation Factor 2, 5, 7-11, 13 Assays, Factor 8 Activity 85610, 85730 Miscellaneous
Test Update 900Thrombin Time85670 Miscellaneous
Test Update 899Neurofilament Light Chain, Plasma0361U Test Code Change
Test Update 899Creatinine, Serum82565 New Tests
Test Update 899Parasitology Testing Test Down or Delayed
Test Update 89880159 New Tests
Test Update 89886753 x2 Test Code Change
Test Update 898Adiponectin83520 Test Code Change